. >> america isending more warships and trips to libya to protect its buildings, as well as fbi agents to investigate the killing of its ambassador and three others on tuesday. christopher stevens was a popular envoy. this is the ransacked consulate where he was killed. flags at american embassies around the world are flying at half mast, while an actor who was in the low-budget film said she had no idea how it would be used. >> we were filming a film that was in an era of 2000 years ago called "desert warriors." what he did to us was wrong, and perhaps we can all learn a lot from this. i don't know what i am going to do. >> and other protests have spread to iraq, where almost a decade ago, the delicate transition from dictatorship to democracy in the middle east was meant to have begun. >> we demand that the iraqi government close the american embassy. america must apologize to our parts of the islamic world. >> candle lit tributes in washington for the murder diplomats, with the unknown -- how much will their debts and the badly made film be a turning point in the arab spring? >> ten